package skyinline.JDBC;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

import javax.management.openmbean.OpenDataException;

public class J03_MemberDAO implements J03_IMemberDAO {

	private String DRV = "oracle.jdbc.driver.OracleDriver";
	private String URL = "jdbc:oracle:thin:skyinline/123456@112.216.253.125:1521:xe";

	private String insertSQL = " insert into J03_Member values ( hr.nextval, ?, ?, ?, ?, sysdate ) ";
	private String selectSQL = " select * from J03_Member order by mno desc ";

	@Override
	public boolean insertMember(J03_MemberVO m) {
		Connection conn = null;
		PreparedStatement pstmt = null;
		boolean result = false;
		try {
			conn = this.openDatabase();
			pstmt = conn.prepareStatement(insertSQL);
			// ? 매개변수에 대입할 값 지정
			pstmt.setString(1, m.getUserid());
			pstmt.setString(2, m.getPasswd());
			pstmt.setString(3, m.getName());
			pstmt.setString(4, m.getEmail());
			pstmt.executeUpdate();
			result = true;
		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			this.closeDatabase(conn, pstmt, null);
		}
		return result;
	} // insertMember

	// JDBC Connection 객체를 생성하는 매서드
	private Connection openDatabase() {
		try {
			Class.forName(DRV);
			return DriverManager.getConnection(URL);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	// JDBC 객체를 닫는 메서드
	private void closeDatabase(Connection c, PreparedStatement p, ResultSet r) {
		if (r != null) try { r.close(); 	r = null; } catch (Exception e) { }
		if (p != null) try { p.close(); p = null; } catch (Exception e) { }
		if (c != null) try { c.close(); c = null; } catch (Exception e) { }
	}

	@Override
	// select 문으로 전체 회원정보를 조회한 후 MemberVO 를 내용으로 가지는 동적배열
	public List<J03_MemberVO> selectMember() {
		Connection conn = null;
		PreparedStatement pstmt = null;
		ResultSet rs = null;
		List<J03_MemberVO> result = new ArrayList<>();
		try {
			conn = openDatabase();
			pstmt = conn.prepareStatement(selectSQL);
			rs = pstmt.executeQuery();
			while (rs.next()) {
				J03_MemberVO m = new J03_MemberVO();
				m.setMno(rs.getString("mno"));
				m.setUserid(rs.getString("userid"));
				m.setPasswd(rs.getString("passwd"));
				m.setName(rs.getString("name"));
				m.setEmail(rs.getString("email"));
				m.setRegidate(rs.getString("regidate"));
				result.add(m);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			closeDatabase(conn, pstmt, rs);
		}
		return result;
	}

}
